From that^ It looks like you need:
A) C in Maths & English to study AS at all
B) At least a B in your subject at GCSE to continue it to AS, so you'd need at least a B in the Maths at GCSE. Idk how that applies to Econ and Business, might have to ask college.
With regards to A) some colleges allow you to resit the GCSE Maths/Eng alongside your AS if you didn't get the C
But hey I could be mistaken